additional sourceCollin R. (2003) The utility of morphological characters in gastropod
phylogenetics: an example from the Calyptraeidae. <i>Biological Journal of the Linnean Society</i> 78: 541–593.
[details]
status sourceMarshall, B. A. (2003). A review of the Recent and Late Cenozoic Calyptraeidae of New Zealand (Mollusca: Gastropoda). <em>The Veliger.</em> 46(2): 117-144., available online athttps://biodiversitylibrary.org/page/42496652[details]
Present Inaccurate Introduced: alien Containing type locality